解题方法
1 . 已知角
的顶点在坐标原点,始边与
轴正半轴重合,终边经过点
.
(1)求
,
的值;
(2)若
,且
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed51623f4856b7f8166db54783b9491.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2894710ad17e08f1b98760e66bf02c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a335abba93abcbd8754d364fc5311de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8114e78ac5798c981a09a8d282875f99.png)
您最近一年使用:0次
2023-02-21更新
|
295次组卷
|
2卷引用:海南省2022-2023学年高一下学期学业水平诊断(一)数学试题
解题方法
2 . 已知函数
.
(1)求
的最小正周期;
(2)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a95a2ff61e0ccb88823a68ceeb1d150.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f041e45e00b71ff9773d2412e5de2d8.png)
您最近一年使用:0次
名校
3 . 已知
.
(1)求
的值;
(2)在
中
为锐角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a77dadd995e53f9734ed46596c91d5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0921f86b7bd95e4aee2076c27773f2.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63b43c99620d590161cee9aaa2a9545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2023-02-18更新
|
437次组卷
|
4卷引用:山西省忻州市河曲县中学校2022-2023学年高一下学期开学考试数学试题
山西省忻州市河曲县中学校2022-2023学年高一下学期开学考试数学试题(已下线)10.1 两角和与差的三角函数1-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)山西省忻州市2022-2023学年高一下学期开学考试数学试题(已下线)核心考点01平面向量及其应用(3)
解题方法
4 . 已知
.
(1)求
的值;
(2)求角
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d265fab177cb8da4cc04f9e68b693c5c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c52220314b8ff75a1290fe99af6d50.png)
(2)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
解题方法
5 . 已知
.
(1)若
为锐角,求
的值.
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9053d9ded67f6c317ca08115a6ddd937.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a975174b697129d6cc7bdaeaa9d5de71.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7836b9cf824dffc972b9eee892cdd1b1.png)
您最近一年使用:0次
名校
6 . 记
的内角A,B,C的对边分别为a,b,c,已知
,
.
(1)求A;
(2)若
,点D在边BC上,
,求AD.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707a0e73751de898ea7fed690400d37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413f9851aad373d782ae62b308f1de85.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383839a3cbbb8a97941b6a40d6d340ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8b131c1d7d61da9ddac51dd3ca4ca3.png)
您最近一年使用:0次
2023-02-09更新
|
1966次组卷
|
3卷引用:江苏省苏州市2022-2023学年高三上学期期末学业质量阳光指标调研数学试题
解题方法
7 .
中,内角
的对边分别为
的外接圆半径为
,已知
.
(1)求
;
(2)已知
的平分线交
于点
,从以下三个条件中选择两个,使
唯一确定,并求
和
的长度.
条件①:
;条件②:
;条件③:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/718b5b48053888ab3b234b8cb56a0fc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534d444b8fed030c0b156251045646cb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a81ae53fe745db10478e49777450f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d5c4c1018ef84146168ca349678fda.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,
,其中
.
(1)求
的值;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccca802bfeba75279951dbc183eeda72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7be4fa397130725bb550b19a5cb4ea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ca44563b74c7b8a61e6d62fa04f960.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2023-01-29更新
|
718次组卷
|
6卷引用:安徽省六安市舒城中学2019-2020学年高一下学期第一次月考数学(文)试题
安徽省六安市舒城中学2019-2020学年高一下学期第一次月考数学(文)试题(已下线)期末押题测试卷(二)-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)上海市格致中学2021-2022学年高一下学期3月月考数学试题(已下线)第07讲 两角和与差的三角函数(已下线)第6章 三角(1)(A卷·知识通关练)-【单元测试】2022-2023学年高一数学分层训练AB卷(沪教版2020必修第二册)(已下线)10.1 两角和与差的三角函数-【题型分类归纳】2022-2023学年高一数学同步讲与练(苏教版2019必修第二册)
9 . 已知
,且
是第二象限角.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf24ce696b370121c4fbc928e3694943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f021a65c471011ee58a992ec8bf79f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1ac68aa01c4bfbeef78b366075ae3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b986672a23ad322d79e9e18c5d3bc0c.png)
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解题方法
10 . 已知
,且
,
.
(1)求
;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f8b19cac0777b84bbc9328f11fb57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be5d2ab18523d7c39e6f164daad439e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd0ec23e454440796739087fde0a373.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bd7c69ca8da57624f618de3918eeeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2894710ad17e08f1b98760e66bf02c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a240f56cefeb8c9669b54b02ca445c4e.png)
您最近一年使用:0次
2023-01-12更新
|
271次组卷
|
2卷引用:青海省西宁市第五中学2022-2023学年高一上学期期末数学试题